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Stacking Cannonballs
You can stack more spheres on a square array of spheres than on a triangular arrangement of spheres. The packing density, however, will be the same.
Contributed by:
Michael Schreiber
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The related cannonball problem is to stack a square number of spheres into a square pyramid. The solution is to pack 4900 spheres in a pyramid with side length 24.
RELATED LINKS
Cannonball Problem
(
Wolfram
MathWorld
)
Sphere Packing
(
Wolfram
MathWorld
)
PERMANENT CITATION
"
Stacking Cannonballs
" from
the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/StackingCannonballs/
Contributed by:
Michael Schreiber
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